The University of California Santa Barbara has a website with several fossils important to human evolution. This website may provide some useful information on the dates, location and imagery of the early fossils.
...online 3D gallery of modern primate relatives and fossil ancestors of humans. This gallery contains five modern primate crania, and five fossil crania. The crania can be rotated 360 degrees. Each cranium is accompanied by a short description of its relevance to human evolution, and a site map.To view this link, you will need the shockwave plugin.